A new estimate is that each intravenous drug user contracting Hepatitis C could infect around 20 other people with the virus, half of these transmissions occurring in the first two years after the user is first infected.

During the short time that Roy Thomas took over as writer of the Fantastic Four from Stan Lee, the original writer, it got a lot better.  I know, I know, that is blasphemy.(1) There is a reason Stan Lee gets a cameo in every movie about every Marvel superhero - he co-created them all, he made them all famous. He is a bigger legend than the guys behind Batman or Superman, his economic impact rivals the GDP of many small nations.

Still, when is the last time you read a good Stan Lee comic? Eventually, people are just phoning it in. And that had happened on the Fantastic Four by 1972.

Some time this month, in Poker Flat, Alaska, a team of scientists from  The Aerospace Corporation of El Segundo, Calif.and NASA's Goddard Space Flight Center of Greenbelt, Md., will launch a sounding rocket up through the Northern Lights. 

Biologists have discovered a bioelectric signal that can identify cells that are likely to develop into tumors. The researchers also found that they could lower the incidence of cancerous cells by manipulating the electrical charge across cells' membranes. 

Bioelectric signals underlie an important set of control mechanisms that regulate how cells grow and multiply. The study investigated the bioelectric properties of cells that develop into tumors in Xenopus laevis frog embryos. 

Here is a conundrum in the culture wars; genetically modified tobacco has been shown to have numerous beneficial effects and now another one has been added.

The treatment for rabies (painful shots, thankfully not all in the stomach in 2013) is not as bad as the disease (death) but it is hardly civilized, so here is hoping the anti-science crowd does not claim genetically modified tobacco will create giant rats with SuperRabies.  Rabies deaths are not a big issue in the USA, 10 a year or so, and therefore it may be safe to do fundraising campaigns about Frankentobacco here, but for developing nations a better solution would save a lot of lives. 

Mathematicians have shown how to use an algorithm for analyzing void space in sphere packing where the spheres need not all be the same size. 

This method could be applied to analyze the geometry of liquids present between multi-sized spheres that are akin to a model for porous material. This provides a tool for studying the flow of such fluids through porous material. More importantly, it can also be used to study the packing geometry of proteins.

There have been several previous attempts to calculate the volume and the surface area of packing of spheres. But few methods have taken into account the connectivity of empty space between spheres, which matters, for example, when detecting buried cavities in proteins.

There are projections that coral reefs will decline due to global warming but evolution disagrees. A number of coral species survive at seawater temperatures far higher than estimates for the tropics during the next century. 

We associate coral reefs with tropical seas of around 28 degrees so in that mindset even slight warming can have devastating effects on corals. But in the Arabian/Persian Gulf, corals survive seawater temperatures of up to 36 degrees Celsius every summer, heat levels that would kill corals elsewhere. Corals have adapted. 

The influenza virus, ever-wiley, has decided to hit America early and hard this year.  

The flu season is always full of uncertainty.  How bad will it be?  How well will the annual vaccine work?  What folk remedy will the internets come up with this time?

 For many people, all this uncertainty can make a flu shot not seem worth the effort.  That wouldn't be so bad if flu shots were just about our own personal cost-benefit analysis.  

But the truth, which gets far too little attention outside epidemiology circles, is that getting your flu shot is about more than just you.

Scientists have described 24 new species of dipterans belonging to Quichuana genus after studying the forests of Central and Southern America for ten years. The Quichuana genus is also known as 'flower flies'. 

Only 24 species were previously known and this genus belongs to the Syrphidae family, which is a group with similar characteristics to that of bees and wasps but with a different taxonomic order.

In the United States, billions of dollars have been spent on marketing to convince people to go into science careers, despite the difficulty many PhDs will have finding jobs in academia. That, coupled with the fact that efforts are on to make funding more 'equal' and establish quotas for young researchers, minorities and female grant applicants means a finite funding pool could be even more limited. The best and brightest, regardless of demographics, could end up leaving to other countries where science is more of a meritocracy.